Economic Definition of scarcity. Offline Version: PDF. Term scarcity Definition: A pervasive condition of human existence that exists because society has unlimited wants and needs, but limited resources used for their satisfaction.
EHEC is an abbreviation for enterohaemorrhagic Escherichia coli. Escherichia coli (E. coli) is a. bacterium that is commonly found in the gut of humans and warm-blooded animals. Most strains. of E. coli are harmless. Some strains however, such as EHEC, can cause severe foodborne disease.
(5) The Enterohemorrhagic E. coli (EHEC) group includes the infamous O157:H7 serogroup. Strains in the EHEC group produce enterotoxins (verotoxins) that cause severe bloody diarrhea (hemorrhagic colitis) and hemolytic uremic syndrome (HUS) in humans. (5) E. coli is also a major cause of urinary tract infections and nosocomial infections including septicemia and meningitis.